PV materials tested to 25-year standards at Christopher Associates

Christopher Associates is working with its key solar manufacturing materials suppliers to test sealants, potting compounds and photovoltaic backsheet materials to meet the 25-year minimum operating lifetimes for solar modules and assemblies.

August 1, 2011 — Electronics manufacturing materials distributor Christopher Associates Inc. is working with its key solar manufacturing materials suppliers to test sealants, potting compounds and photovoltaic backsheet materials to meet the 25-year minimum operating lifetimes for solar modules and assemblies. Suppliers involved include Tonsan (sealants, potting compounds) and Zoomlight (backsheets).

The company is extending its test procedures to address a ?gap? in how materials performance is tested over the long term, said Matthew Holzmann, president of Christopher Associates. Many modern photovoltaics module warranties cover 25 years in the field.

“Tonsan has been working with the China National Standards Committee for several years to develop the improved test standards for sealants and potting compounds,” added Li Yinbai, Tonsan technical director.

Zoomlight’s backsheet material has been tested according to the most rigid standards for high-temperature/high humidity conditions and for weather resistance at levels significantly exceeding typical operational conditions and lifetimes.

Christopher Associates is a supplier and distributor to the electronics and chemical processing industries. More information at www.christopherweb.com

Also read: The bottom line impact of PV module reliability

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